Positive control showed the IC50 of SLS on cultured human keratinocytes is 0.27727 mmol/L, with the 95% confidence interval of (0.19300, 0.36154).

• 同时作为阳性对照的SLS对皮肤角质形成细胞毒作用的IC_(50)为0.；27727 mmol/L，95%25可信限为(0